Pipe Bursting
Pipe bursting is the trenchless method with nothing sentimental about it: a cone-shaped bursting head is winched through the failed sewer, fracturing the old pipe outward into the surrounding soil while towing brand-new pipe into the space behind it. The result is not a rehabilitated host. It is a complete replacement occupying the same path, installed through an entry and exit pit instead of a trench.
That distinction sets its place in the trenchless family. Where lining needs a host that kept its shape, bursting needs only a path to follow: deteriorated, root-wrecked and fragmented hosts that fail lining's audition are bursting's natural cases, and the method can even upsize the line while it works. This page covers how it runs, where it fits, and the site realities that decide it.
How a Plumber Diagnoses the Problem
How a bursting project runs:
- Scope and locate first. Camera where the line allows, locating throughout. The path's route, depth and neighbors get established, because the burst follows the old alignment faithfully, wherever it goes.
- The utility survey. Bursting displaces soil outward, so everything near the path gets mapped: buried utilities, foundations, other services. Proximity conflicts are the method's honest disqualifier, found on paper rather than in practice.
- Two pits, one pull. Entry and exit excavations at the run's ends (pits, not trenches), with the winch set at one and pipe staged at the other. The lawn between them keeps its life.
- Fracture and tow. The head splits the old pipe outward as the winch pulls; fused, jointless replacement pipe follows directly behind through the cleared path. Old pipe fragments stay displaced in the soil as the new line takes the alignment.
- Connect, inspect, close. New line tied in at both ends, connections rebuilt, the run camera-documented and inspected per the jurisdiction. Then two modest patches where the pits were, and done.
Service Details & What's Included
Where bursting wins and where it sits out:
- The too-far-gone specialist. Hosts lining must refuse (fragmented, deformed, root-destroyed) remain valid bursting paths. The method needs a route, not a mold.
- The upsizing option. Bursting can pull larger pipe than it removes. It is the one trenchless path to more capacity, valuable where the original line was undersized for the property it serves.
- Its own disqualifiers. Utilities crowding the path, certain soil and depth situations, and severely off-grade alignments (the new pipe inherits the old path, including its bad slope) route to open excavation honestly.
- Against lining, fairly. Lining preserves and sleeves; bursting replaces and can upsize. Host condition decides, not preference: footage showing retained shape favors the liner; footage showing wreckage favors the burst.
Frequently Asked Questions
What is pipe bursting?
Trenchless sewer replacement: a bursting head pulled through the old line fractures it outward while towing new fused pipe into the same alignment. The old pipe is not repaired or removed. It is displaced into the soil as the new one takes its place. Full replacement, minimal surface impact.
Is it completely no-dig?
No, and that is the honest answer: it needs an entry pit and an exit pit at the run's ends, plus room for the pulling equipment. What it eliminates is the continuous trench across everything between them. Two patches versus a scar the length of the yard is the actual comparison.
Can pipe bursting increase the pipe size?
Yes. Upsizing heads fracture a larger path than the host and pull correspondingly larger pipe. It is the distinctive advantage over lining (which slightly narrows the bore) and the trenchless answer for properties whose original lateral was never sized for what the building became.
What kinds of old pipe can be burst?
The classic fracturable materials (clay, cast iron, concrete) burst well; some materials and repair histories (certain previous liners, ductile repairs) complicate or preclude it. The scoping visit answers for your specific line. The material question is standard homework, not an obstacle course.
How is bursting different from pipe lining?
Lining builds a new pipe inside a host that kept its shape; bursting destroys the host and replaces it outright, upsizing if wanted. Lining suits cracked-but-intact lines under precious surfaces; bursting suits wrecked lines and capacity upgrades. The camera footage makes the call, not the brochure.
Scope the Burst
Share the line's condition evidence (camera findings, failure history) plus what is buried nearby if known. The locate-and-survey step decides candidacy, and the quote follows the path, the depth and the pits.
Request a Quote for Pipe Burstingor call (800) 555-0147Only license-checked plumbers who cover your ZIP receive your request.